CN103625487B - A kind of floor panel structure of rail vehicle - Google Patents
A kind of floor panel structure of rail vehicle Download PDFInfo
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- CN103625487B CN103625487B CN201310383311.6A CN201310383311A CN103625487B CN 103625487 B CN103625487 B CN 103625487B CN 201310383311 A CN201310383311 A CN 201310383311A CN 103625487 B CN103625487 B CN 103625487B
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- metallic plate
- floor
- heat insulation
- insulation material
- bottom frame
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Abstract
The present invention relates to the floor panel structure of a kind of rail vehicle, including vehicle body bottom frame structure, floor cloth, heat insulation material and metallic plate, described floor cloth is laid on the upper surface of described vehicle body bottom frame structure, the lower floor of described vehicle body bottom frame structure arranges described heat insulation material, lower surface at described heat insulation material lays described metallic plate again, and described metallic plate is fixing with described vehicle body bottom frame structure to be connected.Overall structure of the present invention is simple; lightweight; heat insulation material and stainless steel metal plate is laid in the lower section of Undercarriage structure; by the metallic plate of the bottom directly facing flame during fire; make full use of stainless high-melting-point; postpone collapsing of body construction, make body construction be effectively protected, especially more favourable to low-melting aluminum alloy bodywork.
Description
Technical field
The present invention relates to a kind of floor, particularly to a kind of use on the rail vehicles such as urban rail there is fire-proof function
Floor panel structure, belong to rail vehicle technical field.
Background technology
As depicted in figs. 1 and 2, the floor panel structure Normal practice of rail vehicle is at vehicle body bottom frame structure top (i.e.
Inside guest room) lay heat-insulating sound-insulating material, then lay interior trim Antiskid flame-proof floor mode for cloth.
Shown in Fig. 1 for haydite sand structure, at the heat insulation material 3 that is provided above of vehicle body bottom frame structure 1, heat insulation material 3
Top lays one layer of floor cloth 2 again, and in this structure, heat insulation material 3 uses haydite husky.For suspending hardening shown in Fig. 2
Structure, at the heat insulation material 3 that is provided above of vehicle body bottom frame structure 1, the top of heat insulation material 3 arranges one layer of aluminum honeycomb panel 4 again,
One layer of floor cloth 2 is laid in the top of aluminum honeycomb panel 4, and heat insulation material 3 is glass silk flosssilk wadding.
The floor of above two structure broadly falls into lays heat insulation material on the upper strata of body construction, if lower vehicle occurs
Artificial fire, first fire surface is the vehicle body bottom frame structure 1 of bottom, is then directly conducted by vehicle body bottom frame structure 1
To heat insulation material 3, then arrive the surface of floor cloth 2.This structure is more suited to the higher carbon steel of fusing point and rustless steel gold
Belonging to car body, when catching fire, body construction collapse has certain time delay.Wherein, haydite sand high temperature insulating type is preferable,
But Heavy Weight, to reducing, transport energy consumption is unfavorable；Glass silk flosssilk wadding room temperature thermal insulation is permissible, but high temperatures difference, work temperature
Spend low, lightweight.
Along with people's raising to fire prevention understanding, the examination criteria of floor fire prevention index is more and more higher, due to floor
Structure belongs to load-supporting part on vehicle, it is proposed that touchstone uses the mensuration side that BS 476.21 supporting member is fire-resistant
Method, and the assembly test method of NFPA130 floor panel structure requires as ASTM119, according to ASTM 814 in floor group
Part is not loaded by fire side.The test method that NFPA130 requires, test exemplar is used more to meet the reality of vehicle
Structure.The burning time of fire retardancy test must not evacuate (nominal test time time needed for passenger less than from vehicle
Cannot be less than 15 minutes), it is contemplated that with mating of train detrainment ability, it is proposed that the standard of fire barrier is at least 45 minutes,
The city rail vehicle of the most inapplicable modern high standard fire protection requirement of existing floor panel structure.
Summary of the invention
Present invention is primarily aimed at solution the problems referred to above and deficiency, it is provided that one can effectively protect body construction,
Increase substantially floor fire resistance, the floor panel structure of more safe and reliable rail vehicle.
For achieving the above object, the technical scheme is that
The floor panel structure of a kind of rail vehicle, including vehicle body bottom frame structure, floor cloth, heat insulation material and metallic plate, institute
Stating floor cloth to be laid on the upper surface of described vehicle body bottom frame structure, the lower floor of described vehicle body bottom frame structure arranges described
Heat insulation material, the lower surface at described heat insulation material lays described metallic plate again, and described vehicle body bottom frame structure includes being positioned at
The hollow type sheet material layers of layer and be positioned at the hanging beam layer of lower floor, described metallic plate is positioned at the lower surface of described hanging beam layer also
Fixing with described hanging beam and be connected, described heat insulation material is filled in the lower surface of described hollow type sheet material layers and described metallic plate
Between space in, described heat insulation material be its thickness of ceramic fibre be 60mm, described metallic plate is that it is thick for corrosion resistant plate
Degree is 0.5mm, and described hanging beam layer includes that crossbeam and the longeron of equipment under hanging trolley, crossbeam and longeron pass through
Bolt is fixing with hollow type sheet material layers to be connected, and has the bolt hole of equipment under hanging trolley in the relevant position of metallic plate.
Further, described metallic plate extends and downward bending along the horizontal of car body to the edge beam of underframe direction of both sides,
Described heat insulation material it is also filled with between described metallic plate and described edge beam of underframe.
Further, knot is sticked with glue between the upper surface of described floor cloth and described vehicle body bottom frame structure fixing.
Further, described floor cloth is rubber floor covering cloth.
Further, between described metallic plate with described hanging beam, riveting is fixing is connected.
To sum up content, the floor panel structure of a kind of rail vehicle of the present invention, compared with prior art, have as
Lower advantage:
(1) heat insulation material and stainless steel metal plate are laid in the lower section at Undercarriage structure, by the direct face of the metallic plate of the bottom
To flame during fire, make full use of stainless high-melting-point, postpone collapsing of body construction, make body construction
It is effectively protected, especially more favourable to low-melting aluminum alloy bodywork.
(2) overall structure is simple, lightweight, meets city rail vehicle to light-weighted higher requirement, it is also possible to fall
The whole height of low-floor structure.
(3) this floor panel structure is different according to the requirement of fire Downtime, and malformation is the most more convenient.
Accompanying drawing explanation
Fig. 1 is prior art floor panel structure schematic diagram one；
Fig. 2 is prior art floor panel structure schematic diagram two；
Fig. 3 is floor panel structure schematic diagram of the present invention；
Fig. 4 is I partial enlarged drawing of Fig. 3；
Fig. 5 is the A-A profile of Fig. 3.
As shown in Figures 1 to 5, vehicle body bottom frame structure 1, floor cloth 2, heat insulation material 3, aluminum honeycomb panel 4, metal
Plate 5, hollow type sheet material layers 6, hanging beam layer 7, upper strata aluminium sheet 8, lower floor's aluminium sheet 9, crossbeam 10, longeron 11, the end
Frame side bar 12, reinforcement 13.
Detailed description of the invention
With detailed description of the invention, the present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in Figures 3 to 5, the floor panel structure of a kind of rail vehicle, including vehicle body bottom frame structure 1, floor cloth 2,
Heat insulation material 3 and metallic plate 5.
Wherein, vehicle body bottom frame structure 1 includes the hollow type sheet material layers 6 being positioned at upper strata and is positioned at the hanging beam layer 7 of lower floor,
Two of vehicle body bottom frame structure are additionally provided with edge beam of underframe 12, and in city rail vehicle, this hollow type sheet material layers 6 typically uses
Aluminium section bar.Hollow type sheet material layers 6 includes the reinforcement 13 of upper strata aluminium sheet 8, lower floor's aluminium sheet 9 and centre, in hanging beam layer 7
Including crossbeam 10 and the longeron 11 of equipment under hanging trolley, also include sleeper beam (not shown) etc., crossbeam 10
It is connected by bolt is fixing with hollow type sheet material layers 6 with longeron 11.
Floor cloth 2 be directly laid in hollow type sheet material layers 6 upper strata aluminium sheet 8 upper surface on, i.e. constitute floor in compartment,
Floor cloth 2 uses anti-skidding rubber floor covering cloth, sticks with glue knot fixing between the upper surface of floor cloth 2 and upper strata aluminium sheet 8,
The thickness of floor cloth 2 is about M1/F1 level in about 5.5mm, NF F 16-101 fire-protection rating.
Metallic plate 5 is arranged between the lower surface of hanging beam layer 7, the i.e. lower surface of metallic plate 5 and crossbeam 10 and longeron 11
Connect by rivet is fixing, have bolt hole etc. in the relevant position of metallic plate 5, equipment under hanging trolley.In
In space between lower surface and the metallic plate 5 of casement sheet material layers 6, stuffed heat insulated material 3, i.e. crossbeam 10, longeron 11 etc. are wrapped
Being rolled in heat insulation material 3, metallic plate 5 extends and downward bending along the horizontal of car body to edge beam of underframe 12 direction of both sides,
Between metallic plate 5 and edge beam of underframe 12, it is also filled with heat insulation material 3, leads to too between metallic plate 5 and edge beam of underframe 12
Cross the fixing connection of rivet.
In the present embodiment, for improving fire protecting performance, metallic plate 5 uses corrosion resistant plate, and the thickness of metallic plate 5 is preferably
Between 0.4-1mm, optimum is 0.5mm, i.e. can ensure that its fire protecting performance, will not increase again complete vehicle weight, with
Time there is again stronger bearing capacity.If lower vehicle occurs artificial fire, fire surface is being not in prior art
Body construction, but stainless metallic plate 5, corrosion resistant plate has high-melting-point, can play preferably stop
Effect, postpones collapsing of body construction, makes body construction be effectively protected.
In the present embodiment, heat insulation material 3 uses ceramic fibre, thickness between 50-80mm, preferably 60mm,
To ensure its heat-proof quality, complete vehicle weight will not be increased again and thicken the thickness on floor.Ceramic fibre is a kind of excellent
Refractory material, have lightweight, high temperature resistant, Heat stability is good, thermal conductivity are low, specific heat is little and mechanical resistant vibrations
Etc. advantage, the needs of vehicle thermal property can be met.Ceramic fibre unit weight 100kg/m3, high-temperature hot contractility is little,
Room temperature (33 DEG C) heat conductivity is 0.034W/ (m.K), and it can heatproof 1260 DEG C.
The Thermal Conductivity at High Temperature of ceramic fibre is as shown in table 1 below:
Table 1
| Temperature | Heat conductivity |
| 400℃ | 0.10W/(m.K) |
| 600℃ | 0.14W/(m.K) |
| 800℃ | 0.20W/(m.K) |
| 1000℃ | 0.29W/(m.K) |
| 1200℃ | 0.42W/(m.K) |
Using above-mentioned floor panel structure as subjects, carry out Fire Test, process of the test and conclusion (of pressure testing) as follows:
Manufacture for test test sample block, this test sample block by fire partial-length be 3482 meters (floor panel structure
By minimum 3.1 meters of partial-length of fire), width is the normal width of vehicle floor.
During test, the non-of floor panel structure is loaded by fire side (floor cloth cover), loads consistent with vehicle floor design (calculated) load.
Inspection floor panel structure deflection under high temperature and design (calculated) load.Design (calculated) load include the static load of article on floor,
Static load, passenger's impact load weight and other design (calculated) loads that bottom device causes in the localities, takes advantage of the most again
With a factor of safety.
If entirely plate structure has passed through bottom surface to the test of end face exposure according to NFPA 130 standard, explanatorily
Plate structure can safe escape whole passenger load.Touchstone: during flame combustion, owing to floor panel assembly is led
Temperature rise that is hot and that produce in non-fire surface averagely must not exceed 139 DEG C (250 °F), and any point must not exceed
181 DEG C, must not occur that flame or hot gases ignite through sample assembly the phenomenon of the waste cotton in non-fire surface.
This floor panel structure is in Fire Test, and gained standard time-temperature parameter is as shown in table 2.
Table 2
Conclusion (of pressure testing):
This floor panel structure and material property are through being tested by ASTM E119-2008 standard test method, and fire resistance period is higher than
45 minutes, can reach 60 minutes, indivedual temperature putting the requirement that is near the mark in non-fire surface when 60 minutes,
Illustrate time floor panel structure have the fire resistance/barrier performance of excellence be passenger's escape in case of emergency win abundance time
Between.
Owing to the heatproof of ceramic fibre is up to 1260 DEG C, when burning 60 minutes, temperature also only reaches 927 DEG C, also
Far below the heatproof of ceramic fibre, therefore, ceramic fibre does not haves the phenomenon burnt, deform all the time, will not lose
Go the effect that it is heat insulation.
As it has been described above, combine the plan content given by accompanying drawing, similar technical scheme can be derived.In every case it is
Without departing from the content of technical solution of the present invention, any letter above example made according to the technical spirit of the present invention
Single amendment, equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (5)
1. the floor panel structure of a rail vehicle, it is characterised in that: include vehicle body bottom frame structure, floor cloth, heat insulation
Material and metallic plate, described floor cloth is laid on the upper surface of described vehicle body bottom frame structure, described vehicle body bottom frame structure
Lower floor described heat insulation material is set, the lower surface at described heat insulation material lays described metallic plate, described vehicle body bottom frame again
Structure includes the hollow type sheet material layers being positioned at upper strata and is positioned at the hanging beam layer of lower floor, and described metallic plate is positioned at described hanging
The lower surface of beam layer also fixing with hanging beam is connected, described heat insulation material be filled in described hollow type sheet material layers lower surface and
In space between described metallic plate, described heat insulation material is ceramic fibre, and its thickness is 60mm, and described metallic plate is
Corrosion resistant plate, its thickness is 0.5mm, and described hanging beam layer includes crossbeam and the longeron of equipment under hanging trolley,
Crossbeam and longeron are connected by bolt and hollow type sheet material layers are fixing, have for hanging trolley in the relevant position of metallic plate
The bolt hole of lower equipment.
The floor panel structure of rail vehicle the most according to claim 1, it is characterised in that: described metallic plate is along car
The horizontal edge beam of underframe direction to both sides of body extends and downward bending, described metallic plate and described edge beam of underframe it
Between be also filled with described heat insulation material.
The floor panel structure of rail vehicle the most according to claim 1, it is characterised in that: described floor cloth and institute
State to stick with glue between the upper surface of vehicle body bottom frame structure to tie and fix.
The floor panel structure of rail vehicle the most according to claim 1, it is characterised in that: described floor cloth is rubber
Adhesive floor cloth.
The floor panel structure of rail vehicle the most according to claim 1, it is characterised in that: described metallic plate and institute
State the fixing connection of riveting between hanging beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310383311.6A CN103625487B (en) | 2013-08-28 | 2013-08-28 | A kind of floor panel structure of rail vehicle |
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| CN201310383311.6A CN103625487B (en) | 2013-08-28 | 2013-08-28 | A kind of floor panel structure of rail vehicle |
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| CN103625487A CN103625487A (en) | 2014-03-12 |
| CN103625487B true CN103625487B (en) | 2016-08-10 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105109505B (en) * | 2015-08-25 | 2017-08-25 | 中车成都机车车辆有限公司 | A kind of passenger train method of fire protection |
| CN107672614A (en) * | 2017-08-10 | 2018-02-09 | 金鑫美莱克空调系统（无锡）有限公司 | A kind of method for reducing high ferro unit noise and vibration using western stuck glue |
| CN107600087A (en) * | 2017-08-30 | 2018-01-19 | 中车青岛四方机车车辆股份有限公司 | The floor panel assembly of secondary floor panel assembly and rail vehicle |
| CN109131393A (en) * | 2018-08-21 | 2019-01-04 | 中车南京浦镇车辆有限公司 | A kind of lightweight floor for fire resisting of bearing a heavy burden |
| CN110040151A (en) * | 2019-05-10 | 2019-07-23 | 中车长春轨道客车股份有限公司 | A kind of floor of railway vehicle structure |
| CN110203225A (en) * | 2019-07-12 | 2019-09-06 | 中车长春轨道客车股份有限公司 | A kind of floor panel structure adapting to American Standard fire protection requirement |
| CN110641491A (en) * | 2019-09-26 | 2020-01-03 | 中车浦镇庞巴迪运输系统有限公司 | Fireproof floor structure for underframe of railway vehicle and preparation method thereof |
| JP7516272B2 (en) * | 2021-01-08 | 2024-07-16 | 株式会社日立製作所 | Rail vehicle and manufacturing method for rail vehicle |
| CN115009316B (en) * | 2022-06-30 | 2024-03-08 | 中车浦镇阿尔斯通运输系统有限公司 | Light fireproof underframe structure and assembly method |
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| CN101134262A (en) * | 2006-08-30 | 2008-03-05 | 株式会社日立制作所 | Method for manufacturing a structure and such a structure |
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| US4794032A (en) * | 1986-02-13 | 1988-12-27 | Kawasaki Jukogyo Kabushiki Kaisha | Floor structure |
| CN101134262A (en) * | 2006-08-30 | 2008-03-05 | 株式会社日立制作所 | Method for manufacturing a structure and such a structure |
| CN101537842A (en) * | 2008-03-10 | 2009-09-23 | 阿尔斯通运输股份有限公司 | Rail vehicle chassis equipped with thermal insulation panels |
| CN201923145U (en) * | 2010-11-09 | 2011-08-10 | 南车青岛四方机车车辆股份有限公司 | Installation structure of thin subway train floor |
| CN203450129U (en) * | 2013-08-28 | 2014-02-26 | 南车青岛四方机车车辆股份有限公司 | Floor slab structure of railway vehicle |
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| CN103625487A (en) | 2014-03-12 |
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Address after: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant after: CRRC QINGDAO SIFANG CO., LTD. Address before: Jihongtan town Chengyang District Shandong city Qingdao province Jinhong road 266111 No. 88 Applicant before: CSR Qingdao Sifang Locomotive and Rolling Stock Co., Ltd. |
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